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· Detectors that provide information on angles of incidence and high energy resolution, perhaps requiring new ideas from physicists and mathematical scientists.

3.7 Suggested Reading

1. Boyd, D., Couch, J., Napel, S., Peschmann, K., and Rand, R., Ultrafast cine-CT for cardiac imaging, Am. J. Cardiac Imaging 1 (1987), 175-185.

2. Brundage, B., Detrano, R., and Wong, N., Ultrafast computed tomography: Imaging of coronary calcium in atherosclerosis, Am. J. Cardiac Imaging 6 (1992), 340-345.

3. Kalender, W.A., Quo vadis CT? CT in the year 2000, Electromedica 61 (1993), 30-39.

4. Kalender, W.A., and Polacin, A., Physical performance characteristics of spiral CT scanning, Med. Phys. 18 (1991), 910-915.

5. Krestel, E. (ed.), Imaging Systems for Medical Diagnosis, Siemens Aktiengesellschaft, Berlin and Munich, 1990.

6. Polacin, A., Kalender, W.A., and Marchal, G., Evaluation of section sensitivity profiles and image noise in spiral CT, Radiology 185 (1992), 29-35.

7. Rubin, G., Dake, M., Napel, S., McDonnell, C., and Jeffrey, B., Threedimensional spiral CT angiography of the abdomen: Initial clinical experience, Radiology 186 (1993), 147-152.

8. Schäfer, C., Prokop, M., Nischelsky, J., Reimer, P., Bonk, K., and Galanski, M., Vascular imaging with spiral CT, in Advances in CT II, R. Felix and M. Langer, eds., Springer-Verlag, Berlin, Heidelberg (1992), 109-115.

9. Schiemann, T., Bomans, M., Tiede, U., Hohne, K.H., Interactive 3Dsegmentation, Proc. SPIE 1808 (1992), 376-383.

10. Stanford, W., and Rumberger, J.A. (eds.), Ultrafast Computed Tomography in Cardiac Imaging: Principles and Practice, Futura Publishing Co., Inc., Mount Kisco, N.Y., 1992.